Circular-warp machine.



N6. 67!];497. Patented Mar. 26, I90! H. HILL.

' CIRCULAR WARP MACHINE.

(Application filed Supt. 22, 1900.) (No Model.) R v HENRY HILL, OF NOTTINGHAM, ENGLAND.

CIRCULAR-WARP MACHINE.

SPECIFICATION forming part of Letters Patent No. 670,497, dated March 26, 1901.

Application filed September 22, 1900- Serial No. 30,825. (No model.)

To all whom it may concern:

Be it known that I, HENRY HILL, a subject of the Queen of England, residing at Nottingham, England, have invented certain new and useful Improvements in Oircular-Warp Machines, (for which application has been made in Great Britain under No. 4,584, dated March 10, 1900,) of which the following is a specification.

This invention relates to improvements in circular-warp machines for producing seamless tubular-warp lace fabrics.

The invention will be best understood by reference to the accompanying drawings, in which Figure 1 is an elevation showing the right half in section; and Fig. 2, a plan, partly in section, of a circular-warp machine constructed according to my invention.

Like letters indicate like parts throughout the drawings. I

According to my invention the needles A are arranged radially in a plane approximately at right angles to the axis of the machine, with their hooked ends toward the said axis, as shown.

The shank or outer end of each needleAis secured to a needle-jack B, and the latter are mounted in radial recesses 0, formed in the upper face of an annular slay-ring O. This slay-ring O is mounted in an annular recess in the upper face of the circular bed D, which is formed with an axial opening D. The in ner ends of the needles A also work in gates or recesses formedin the upper end of a sleeve E, which is secured in the axial opening D in the bed D, and through the interior of which sleeve the fabric is carried as it is prodnced.

The cam-ring F for operating the needlejacks is placed in an annular recess formed in the under side of the slay-ring O, with its upper face level with the bottom of the recesses O. This cam-ring is provided with a number of cam-grooves F in its upper face (see Fig. 2) equal in number to the number of needle-jacks employed, said grooves F being tangential to a circle of less diameter than the cam-ring F, as shown.

Each needle-jack B is provided with a nib or projection B, (see Fig. 1,) and each of the latter engages in a separate and distinct camgroove F in the cam-ring F, so that by reciprocating the latter the whole of the needles are moved radially inward or outward simultaneously. V

Instead of attaching the needles A to needle-jacks B, I may, if desirable, employ what are known as cranked needles; but I prefor the arrangement described, as it gives greater strength The cam-ring F is reciprocated by means of an eccentric G or other suitable device on the vertical shaft H, which latter is carried in bearings H H, secured to or formed integrally with the bed-plate D. The rod G of the eccentric G is connected to the cam-ring F by means of a short arm I, the outer end of which is connected by a pin or axle I to the end of the said rod, while the-inner end passes through openings D (see Fig.1) formed in the bed D and slay-ring O and is secured to the cam-ring F.

The needle-jacks B are held in the slayring F by a cover J, which may be rotatable and also formed with a removable section, which latter may by rotating the cover be moved over any point of the slay-ring in order to permit of the removal of any of.the needle-jacks.

The thread-guides K, (see Fig. 1,) which are arranged in two equal sets, upper and lower, are arranged radially in the space in the center of and concentrically with the needles, and they are carried and operated by the following arrangement: The shanks of the upper set are secured in the enlarged lower end of a sleeve L, which latter is mount-- ed in a bearing L on a bracket L secured to the bed D. The shanks of the lower set are 0 mounted in theenlarged lower end of asleeve M, which is mounted within the sleeve L. Both sleeves L and M are raised and lowered simultaneously by a forked lever N, pivoted The forked ends N 5 the bracket L The outer ends of these levers engage, respectively, with cams Q Q, which are mounted on a vertical pivot R on the bracket L These cams are attached to a toothed wheel S, which engages with a pinion S on the shaft H. One cam, Q, operates the sleeve L and the other, Q, the sleeve M. They are thus each moved angularly independently of each other a distance and in a direction which is determined by the formation of the respective cams, which latter are shaped according to the mesh it is desired to other substantially as described.

produce.

The threads T (see Fig. 1) are carried on a beam or roller placed above the machine and may be carried through holes in a rib T on the bearing L. The fabric as it is produced is carried downward through the axial opening in the sleeve E to take-up rollers, it preferred, of any well-known form, which are placed immediately below the bed.

What I claim as my invention, and desire to secure by Letters Patent, is

1. In a circular-warp machine, the combination with the needles arranged radially with their hooks toward the axis of the machine, of means for supporting them, a cam provided with tangential cam-grooves for moving the Whole of them simultaneously, thread-guides which are arranged radially within the circle of the needles, and means for moving the same both parallel to the axis.

of the machine and also angularly substan tially as described.

3. In a circular-warp machine, the combination with the needles of a slay-ring to support them, a cam-ring provided with tangential cam grooves for operating them, and means for reciprocating the same, substantially as described.

3. In a circular-warp machine, the combination with the needles of a slay-ring to support them, a cam-ring provided with tangential cam-grooves foroperating them, a bed for supporting the slay and cam rings, and means for reciprocating the cam-rings, substantially as described.

4. In a circular-Warp machine, the combination with the thread-guides, of two sleeves, one working within the other for carrying and operating the same, a bearing in which the outer sleeve is mount-ed, means for raising and lowering the sleeves, and means for moving them angularly one independently of the 5. In a circular-Warp machine, the combination with the needles, of needle-jacks for carrying them, aslay for supporting the needle-jacks, a cam-ring provided with tangential cam-grooves for operating them, means for reciprocating the same, the thread-guides, two sleeves one working within the other for carrying and operating the latter, a bearing in which the outer sleeve ismounted, means for raising and lowering the sleeves, and means for moving them angularly, substantially as described.

6. In a circular-warp machine, the combination with the needles arranged radially with their hooks toward the axis of the machine, means for moving said needles radially thread-guides arranged radially within the circle of the needles, and means for moving them parallel with the axis of the machine and angularly thereto; substantially as described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

HENRY HILL.

Witnesses:

MARK SHAW, ALFRED CLARKE. 

